From f8421a3e44e9ef78372cc50b212a482e51c2c41c Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Tue, 18 Jun 2013 00:22:17 +0000
Subject: [PATCH] Delete dead code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184154 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/Sema/Initialization.h |  3 ---
 lib/Sema/SemaInit.cpp               | 36 -----------------------------
 2 files changed, 39 deletions(-)

diff --git a/include/clang/Sema/Initialization.h b/include/clang/Sema/Initialization.h
index 244d0edb99..f53cb148e4 100644
--- a/include/clang/Sema/Initialization.h
+++ b/include/clang/Sema/Initialization.h
@@ -770,9 +770,6 @@ public:
     /// \brief Initializer has a placeholder type which cannot be
     /// resolved by initialization.
     FK_PlaceholderType,
-    /// \brief Failed to initialize a std::initializer_list because copy
-    /// construction of some element failed.
-    FK_InitListElementCopyFailure,
     /// \brief List-copy-initialization chose an explicit constructor.
     FK_ExplicitConstructor
   };
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 863079c6d8..4e55da328a 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -2670,7 +2670,6 @@ bool InitializationSequence::isAmbiguous() const {
   case FK_ListInitializationFailed:
   case FK_VariableLengthArrayHasInitializer:
   case FK_PlaceholderType:
-  case FK_InitListElementCopyFailure:
   case FK_ExplicitConstructor:
     return false;
 
@@ -6493,37 +6492,6 @@ bool InitializationSequence::Diagnose(Sema &S,
     break;
   }
 
-  case FK_InitListElementCopyFailure: {
-    // Try to perform all copies again.
-    InitListExpr* InitList = cast<InitListExpr>(Args[0]);
-    unsigned NumInits = InitList->getNumInits();
-    QualType DestType = Entity.getType();
-    QualType E;
-    bool Success = S.isStdInitializerList(DestType.getNonReferenceType(), &E);
-    (void)Success;
-    assert(Success && "Where did the std::initializer_list go?");
-    InitializedEntity HiddenArray = InitializedEntity::InitializeTemporary(
-        S.Context.getConstantArrayType(E,
-            llvm::APInt(S.Context.getTypeSize(S.Context.getSizeType()),
-                        NumInits),
-            ArrayType::Normal, 0));
-    InitializedEntity Element = InitializedEntity::InitializeElement(S.Context,
-        0, HiddenArray);
-    // Show at most 3 errors. Otherwise, you'd get a lot of errors for errors
-    // where the init list type is wrong, e.g.
-    //   std::initializer_list<void*> list = { 1, 2, 3, 4, 5, 6, 7, 8 };
-    // FIXME: Emit a note if we hit the limit?
-    int ErrorCount = 0;
-    for (unsigned i = 0; i < NumInits && ErrorCount < 3; ++i) {
-      Element.setElementIndex(i);
-      ExprResult Init = S.Owned(InitList->getInit(i));
-      if (S.PerformCopyInitialization(Element, Init.get()->getExprLoc(), Init)
-           .isInvalid())
-        ++ErrorCount;
-    }
-    break;
-  }
-
   case FK_ExplicitConstructor: {
     S.Diag(Kind.getLocation(), diag::err_selected_explicit_constructor)
       << Args[0]->getSourceRange();
@@ -6663,10 +6631,6 @@ void InitializationSequence::dump(raw_ostream &OS) const {
       OS << "list constructor overloading failed";
       break;
 
-    case FK_InitListElementCopyFailure:
-      OS << "copy construction of initializer list element failed";
-      break;
-
     case FK_ExplicitConstructor:
       OS << "list copy initialization chose explicit constructor";
       break;
-- 
2.50.1